Datentabelle
| 1949 | 67,2 Mio. | 1975 | 913 Mio. | 2001 | 2,97 Mrd. |
| 1950 | 50 Mio. | 1976 | 977 Mio. | 2002 | 4,07 Mrd. |
| 1951 | 80,1 Mio. | 1977 | 1,11 Mrd. | 2003 | 4,52 Mrd. |
| 1952 | 116 Mio. | 1978 | 1,31 Mrd. | 2004 | 4,89 Mrd. |
| 1953 | 149 Mio. | 1979 | 1,45 Mrd. | 2005 | 4,88 Mrd. |
| 1954 | 160 Mio. | 1980 | 1,67 Mrd. | 2006 | 5,01 Mrd. |
| 1955 | 133 Mio. | 1981 | 1,65 Mrd. | 2007 | 5,88 Mrd. |
| 1956 | 135 Mio. | 1982 | 1,7 Mrd. | 2008 | 6,37 Mrd. |
| 1957 | 147 Mio. | 1983 | 1,7 Mrd. | 2009 | 6,2 Mrd. |
| 1958 | 143 Mio. | 1984 | 1,55 Mrd. | 2010 | 6,5 Mrd. |
| 1959 | 155 Mio. | 1985 | 1,8 Mrd. | 2011 | 7,23 Mrd. |
| 1960 | 148 Mio. | 1986 | 2,17 Mrd. | 2012 | 7,14 Mrd. |
| 1961 | 165 Mio. | 1987 | 2,75 Mrd. | 2013 | 7,39 Mrd. |
| 1962 | 192 Mio. | 1988 | 2,89 Mrd. | 2014 | 7,34 Mrd. |
| 1963 | 205 Mio. | 1989 | 2,93 Mrd. | 2015 | 5,82 Mrd. |
| 1964 | 220 Mio. | 1990 | 3,39 Mrd. | 2016 | 6 Mrd. |
| 1965 | 266 Mio. | 1991 | 3,29 Mrd. | 2017 | 6,85 Mrd. |
| 1966 | 273 Mio. | 1992 | 3,8 Mrd. | 2018 | 7,54 Mrd. |
| 1967 | 294 Mio. | 1993 | 3,18 Mrd. | 2019 | 7,54 Mrd. |
| 1968 | 322 Mio. | 1994 | 3,4 Mrd. | 2020 | 7,23 Mrd. |
| 1969 | 350 Mio. | 1995 | 3,51 Mrd. | 2021 | 8,44 Mrd. |
| 1970 | 388 Mio. | 1996 | 3,54 Mrd. | 2022 | 8,7 Mrd. |
| 1971 | 428 Mio. | 1997 | 3,25 Mrd. | 2023 | 8,8 Mrd. |
| 1972 | 492 Mio. | 1998 | 3,32 Mrd. | 2024 | 10,8 Mrd. |
| 1973 | 608 Mio. | 1999 | 3,31 Mrd. | 2025 | 17 Mrd. |
| 1974 | 711 Mio. | 2000 | 2,92 Mrd. | | |
Datentabelle
| 1949 | 2,7% | 1975 | 3,2% | 2001 | 1,7% |
| 1950 | 2,4% | 1976 | 3,1% | 2002 | 2,1% |
| 1951 | 3% | 1977 | 3,1% | 2003 | 2% |
| 1952 | 4% | 1978 | 2,8% | 2004 | 1,8% |
| 1953 | 5,1% | 1979 | 2,8% | 2005 | 1,6% |
| 1954 | 5% | 1980 | 2,6% | 2006 | 1,4% |
| 1955 | 3,9% | 1981 | 2,6% | 2007 | 1,5% |
| 1956 | 3,5% | 1982 | 2,7% | 2008 | 1,4% |
| 1957 | 3,6% | 1983 | 2,8% | 2009 | 1,6% |
| 1958 | 3,5% | 1984 | 2,5% | 2010 | 1,5% |
| 1959 | 3,6% | 1985 | 2,8% | 2011 | 1,4% |
| 1960 | 3,2% | 1986 | 2,8% | 2012 | 1,4% |
| 1961 | 3% | 1987 | 3% | 2013 | 1,4% |
| 1962 | 3,2% | 1988 | 2,8% | 2014 | 1,5% |
| 1963 | 3,2% | 1989 | 2,9% | 2015 | 1,5% |
| 1964 | 3,1% | 1990 | 2,8% | 2016 | 1,6% |
| 1965 | 3,4% | 1991 | 2,7% | 2017 | 1,7% |
| 1966 | 3,6% | 1992 | 2,9% | 2018 | 1,7% |
| 1967 | 3,5% | 1993 | 2,6% | 2019 | 1,8% |
| 1968 | 3,6% | 1994 | 2,7% | 2020 | 2% |
| 1969 | 3,6% | 1995 | 2,3% | 2021 | 1,7% |
| 1970 | 3,5% | 1996 | 2,2% | 2022 | 1,5% |
| 1971 | 3,4% | 1997 | 2% | 2023 | 1,8% |
| 1972 | 3,3% | 1998 | 2,2% | 2024 | 2,2% |
| 1973 | 3,1% | 1999 | 2% | 2025 | 3,3% |
| 1974 | 3% | 2000 | 1,7% | | |